The overall objective of ECS is to widen and strengthen the European Citizen Science community through capacity building and awareness raising activities such as the creation of a European Citizen Science Academy and the establishment of a network of 28 ECS Ambassadors.

About nine million people worldwide contract tuberculosis each year. Research into new treatment for this disease has received fresh stimulus with more efficient techniques and a new understanding of how the tuberculosis bacteria works.

Archaeological and Historical Perspectives on Eastern Cuisine and Western Foodways

This PhD dissertation examines international responsibility for the crime of aggression from a public international law perspective. Under customary international law, as well as the amendments to the Rome Statute of the International Criminal Court adopted in the Review Conference in Kampala in 2010,…

How was time understood during the colonial period by Tlaxcaltecan Naua communities? What is the relationship between time, spirituality and ritual in the present-day Naua community of Santa Catarina? What does this tell us about the strengths and values of Indigenous heritage and about the impact of…

How do plant defense genes get activated?

Leiden University provides ambitious students with the most recent and innovative areas of knowledge, and offers them the freedom to develop their own area of expertise.

Leiden University provides ambitious students with the most recent and innovative areas of knowledge, and offers them the freedom to develop their own area of expertise.

From now on, the Master's Vitality and Ageing will be called Health, Ageing and Society. In terms of content, the programme of this international interdisciplinary Master's at Leiden University remains the same. The new name better covers the content of the programme and thus enhances recognition for…

More papers, more grants, more students: constant growth is still the gold standard at universities. Neuroscientists Anne Urai and Claire Kelly argue that this mentality obstructs us in resolving such complex societal problems as the climate crisis. Their alternative? The university as a doughnut.

PhD defence

Source: Biochem Pharmacol, Volume 95, Issue 4, pp. 290-300 (2015)

Who was professionally involved in language between 1550 and 1650? And what were the financial returns of this language sector? Assistant Professor Alisa van de Haar has received an ERC Starting Grant to map out the situation in Northwest Europe between 1550 and 1650.

Volgens Wim Voermans, hoogleraar staatsrecht, zullen losse erkenningen van landen niet zoveel betekenen. Erkenning is volgens de hoogleraar pas betekenisvol als ook grote spelers als de VS meedoen, zegt hij in NU.nl.

Other COI publications can be found on Leiden Law Blog, the Leiden Law Methods Portal, and in the drop-down tabs below.

This three-year programme offers you a unique chance to gain a specialised qualification in a rich, valuable area of knowledge, plus the freedom to tailor the programme to your own ambitions. And what better place to study than in Leiden, international centre of Dutch studies?

PhD defence

PhD defence

A large research group involving Leiden University as corresponding Host Institution has been awarded a major European grant, the ERC Synergy Grant. This for research on how Europe developed after the fall of the Roman Empire with special attention to the yet underexplored but undoubtedly important…

Boundaries in the collaboration between private and public interests are more blurred in the US than Europe, says Reijer Passchier, Professor of Digitalisation and the Democratic Constitutional State at the Open University and Assistant Professor in Constitutional Law in Leiden, in ‘de Volkskrant’.

Ukraine has filed an innovative claim against Russia at the International Court of Justice (ICJ). Ukraine asked the court to rule that it has not committed genocide and that a war initiated based on a false genocide claim was unlawful. Larissa van den Herik, Professor of Public International Law, discussed…

Earlier this year, the Cornelius Haga Lyceum, an Islamic secondary school in Amsterdam, received a lot of media attention. The Dutch General Intelligence and Security Service (AIVD) published an alarming official notice that caused quite a stir. Earlier today, the content of a report written by the…

As part of Mariana Françozo’s BRASILAE project, a group of representatives of the Ka’apor people was invited to visit Leiden. The Ka’apor, an indigenous people from Brazil, are some of the present-day relatives of the Tupi-speaking peoples who used to live in the northeastern region of Brazil, claimed…

The Dutch scientist prof. dr. Ewine F. van Dishoeck, Leiden Observatory, Leiden University and Max Planck Institute for Extraterrestrial Physics, will receive the 2018 James Craig Watson Medal from the american National Academy of Sciences (NAS).

The legal protection of parents and children in cases involving placement in care must improve. That is the opinion of Mariëlle Bruning, Professor of Children and the Law.

On 17 February 2016 Armin Cuyvers was invited to speak at the Liverpool European Law Unit (LELU) in a seminar on ‘Legitimacy and participation in the EU’. In his presentation, entitled ‘National parliaments as training wheels of EU democracy?

Jaïr van Rhenen studied Medicine in Leiden and is now a GP in the largely religious Veenendaal. Before this, he worked as a tropical medicine doctor in Lesotho. ‘If you have the prospect of an afterlife, you often respond differently to illness.’

AI is already widely being used in HR processes, but it’s unclear whether these applications contribute to fair and inclusive decision making. Leiden researcher Carlotta Rigotti is involved in BIAS, a big consortium research project that aims to provide answers and develop a new, trustworthy AI app…

Would you like to join our research in Psychology Lab on Wheels? We currently have two experiments in the van. We will take the utmost care to protect your data and privacy. Join in our experiments. meld je aan.

At Leiden University, researchers from all disciplines work together to find answers and design innovations in the field of artificial intelligence.

NL-BioImaging AM is a distributed research infrastructure aimed at promoting progress in the most cutting edge microscopy technologies and providing open access to these technologies to a broad community of academic and industrial users. All Netherlands bio(medical) microscopy centers participate.

Orange the World 2025

In the Department of Business Sciences, three chairs are established. Together, the chair holders lead the Turnaround, Rescue & Insolvency Leiden Research Team (TRI Leiden), which consists of legal and business science researchers from Leiden Law School. TRI Leiden aims, through an international and…

The mission and vision of the Faculty of Humanties have been determined in the Faculty Strategic Plan (FSP).

The Access & Support Platform is a network of disability experts by experience, i.e. staff and students, at Leiden University.

On 5 February 2019, Alain Vannieuwenburg defended his thesis 'Pleidooi voor een lekenrenaissance'. The doctoral research was supervised by Prof. dr. P.B. Cliteur.

The primary goal of Leiden University Diversity and Equality Network (LUDEN) is to promote a more inclusive working and learning environment.

How are we celebrating our anniversary in 2025 on the faculty?

On the basis of the characteristic aspects of a picture, certain computers can tell us what the picture is showing. They can learn this in the same way that young children are able to learn to recognize images. Further improving these techniques opens the way to a whole range of new applications. Biology…

On the basis of the characteristic aspects of a picture, certain computers can tell us what the picture is showing. They can learn this in the same way that young children are able to learn to recognize images. Further improving these techniques opens the way to a whole range of new applications. Biology…

The recognition that there may be more, so-called allosteric binding sites on a given receptor has also fueled our synthetic efforts. Over the last few years we have focused on many drug targets (adenosine A1, A2A and A3 receptors, the mGlu2 receptor and a classic ‘anti-target’, the hERG channel) to…

How can we make the information in handwritten historical research reports accessible and searchable? Data scientists at Leiden University are working with other universities on a method that will improve access to cultural heritage.

The World Cultural Council (WCC) is an international organisation based in Mexico. Since 1984 the WCC has held an annual Award Ceremony granting prizes to outstanding scientists, educators and artists whose breakthroughs in the fields of knowledge, learning and research have contributed positively to…

The research programme Formal Theoretical and Experimental Linguistics brings together LUCL researchers who focus mainly on formal theoretical and experimental linguistics.

In recent decades, the Netherlands’ struggle with multiculturalism has caused an upsurge in public interest in the relationship between state and religion. In this, the Dutch address a subject relevant not just to them, but to all of Europe.

The skin has recently gained attention within body studies for its many specific cultural and social associations, in addition to its biology. This project aims to examine the different layers of meaning and the functions invested in the skin in ancient Greece: how did ancient Greek literary and medical…

Exploring the intersection of environmental conservation, indigenous cultural expectations, and human-nonhuman relationships in the Eastern Himalayas. Developing inclusive approaches to ecological preservation through community-centered research.

The School for Digital Deaf Studies 2025 is a hybrid school consisting of one week school in person in Ghana (15 - 24 August), followed by a one week school online later this year. It aims for the capacity building needed to expand academic research and education activities in digital Deaf studies,…

There are over 7,000 languages in the world and over half of the world’s population is bilingual. But how do all these people use their language? And how do these languages differ from one another? Under the slogan of ‘Interconnecting linguistic diversity,’ the researchers from the Leiden University…